Hi, I down loaded a number of apps and installed them onto a usb memory stick.
I then went to a clean machine and inserted the usb stick and started the interface.
I was substantially surprised when I saw the hard drive light up.
I tried several apps and then did a search by date on the clean machine.
There are files scatted all over the clean machines hard disk - mostly through the windows directory.
I write this as I was under the impression that the portable apps would write by default to the drive that they were installed on.
This is a major drawback for such a lovely idea and product.
I spent most of my lunch time cleaning the foreign files from my clean machine.
This really does limit the use of this product.
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Nearly all portable apps will use the local hard drive. Almost all of our apps will use the local hard drive's temp directory, for instance. Many of our apps will temporarily use data within APPDATA. Some of our apps will temporarily use the registry. What our apps do is backup any settings for a local version of an app, load in the settings for your portable version, run the portable version, and then on exit, do the reverse by storing your portable settings back to the portable folder and restoring any settings for the local app. This way, on exit, the PC's settings are left in the state they were before you run your app. Of course, the local PC will still have traces within Prefetch and the registry which can't be removed without admin rights.
Any app or app platform claiming it leaves no traces is lying. The only way to run apps portably without affecting the local Windows install at all is to boot from the external drive into Linux or a Windows PE environment.
Sometimes, the impossible can become possible, if you're awesome!
Thank you for the explanation.